<template>
  <div style="border: 1px solid #ccc; margin: 30px">
    <Toolbar
      style="border-bottom: 1px solid #ccc"
      :editor="editorRef"
      :default-config="toolbarConfig"
      :mode="mode"
    />
    <Editor
      v-model="valueHtml"
      style="height: 500px; overflow-y: hidden"
      :default-config="editorConfig"
      :mode="mode"
      @onCreated="handleCreated"
    />
  </div>
</template>
<script>
import '@wangeditor/editor/dist/css/style.css' // 引入 css

import { onBeforeUnmount, ref, shallowRef, watch } from 'vue'
import { Editor, Toolbar } from '@wangeditor/editor-for-vue'

export default {
  components: { Editor, Toolbar },
  props: {
    // 接收v-model的值
    modelValue: {
      type: String,
      default: ''
    }
  },
  setup(props, { emit }) {
    // 编辑器实例，必须用 shallowRef
    const editorRef = shallowRef()
    console.log(emit)
    // 内容 HTML
    const valueHtml = ref('<p>hello</p>')

    const toolbarConfig = {}
    const editorConfig = { placeholder: '请输入内容...' }

    // 组件销毁时，也及时销毁编辑器
    onBeforeUnmount(() => {
      const editor = editorRef.value
      if (editor == null) return
      editor.destroy()
    })

    const handleCreated = (editor) => {
      editorRef.value = editor // 记录 editor 实例，重要！
    }
    watch(
      () => valueHtml.value,
      () => {
        emit('update:modelValue', valueHtml.value)
      }
    )
    return {
      editorRef,
      valueHtml,
      mode: 'default', // 或 'simple'
      toolbarConfig,
      editorConfig,
      handleCreated
    }
  }
}
</script>
